gpio: uniphier: use devm_get_addr() to get base address

Currently, fdtdec_get_addr_size() does not support the address
translation, so it cannot handle device trees with non-straight
"ranges" properties.  (This would be a problem with DTS for UniPhier
ARMv8 SoCs.)

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

drivers/gpio/gpio-uniphier.c

@@ -9,6 +9,7 @@
 #include <mapmem.h>
 #include <linux/bitops.h>
 #include <linux/io.h>
+#include <linux/sizes.h>
 #include <asm/errno.h>
 #include <asm/gpio.h>
 
@@ -91,17 +92,14 @@ static int uniphier_gpio_probe(struct udevice *dev)
 {
 	struct uniphier_gpio_priv *priv = dev_get_priv(dev);
 	struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
-	DECLARE_GLOBAL_DATA_PTR;
 	fdt_addr_t addr;
-	fdt_size_t size;
 	unsigned int tmp;
 
-	addr = fdtdec_get_addr_size(gd->fdt_blob, dev->of_offset, "reg",
-				    &size);
+	addr = dev_get_addr(dev);
 	if (addr == FDT_ADDR_T_NONE)
 		return -EINVAL;
 
-	priv->base = map_sysmem(addr, size);
+	priv->base = map_sysmem(addr, SZ_8);
 	if (!priv->base)
 		return -ENOMEM;